The diarrhea is considered to be caused by dietary factors, but also may be caused by acute gastroenteritis, ulcerative colitis and other disease factors. Dietary factors caused by the need to adjust dietary habits, disease factors caused by the need for standardized treatment under the guidance of a doctor, such as drug therapy, surgical treatment. 1. Dietary factors: eating a lot of cold, spicy and stimulating food can cause diarrhea, such cases are recommended to avoid eating cold, spicy stimulation, to maintain a healthy diet. Drink warm water and balanced salt solution. These cases are self-limiting and can improve on their own without special intervention. 2. Disease factors: acute gastroenteritis with severe diarrhea can use loperamide to stop diarrhea, combined with bacterial infections can use ciprofloxacin treatment, accompanied by symptoms of dehydration need to be rehydrated; ulcerative colitis, Crohn’s disease, and other inflammatory bowel disease in the acute phase of the diarrhea can be seen more often, but often manifested as mucus pus and blood, need to comply with the doctor’s orders to use the salicylate sulfapyridine, azathioprine, and other drugs for treatment, accompanied by intestinal perforation, hemorrhage need surgery. Surgery is required in cases of intestinal perforation and hemorrhage. When the symptoms of diarrhea and diarrhea appear, it is recommended to go to the hospital after excluding non-pathological factors.